JP2825222B2 - Connector device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a connector including a first housing accommodating a male terminal and a second housing accommodating a female terminal and connected to the first housing. It concerns the device. (Prior Art) In this type of conventional connector device, terminals are locked by lances of each housing, and it is necessary to check whether the terminals are properly locked by the lances, In order to prevent the lance from retreating after stopping, a terminal seating detection piece is inserted into the bending gap of the lance in the connector housing. When the lance does not properly lock the terminal, the lance is retracted to the side of the bending gap to prevent the terminal seating detecting piece from being inserted, so that a defective locking state of the terminal can be detected. (Problems to be Solved by the Invention) However, in this type of conventional connector device, when the first and second housings are fitted and the male terminal is inserted into the female terminal, the positioning is properly performed. However, there has been a problem that the terminals are mutually twisted and damaged. An object of the present invention is to provide a connector device that can prevent a terminal from being twisted. (Means for Solving the Problems) The configuration of the present invention for achieving the above object will be described with reference to FIGS. 1 to 3 corresponding to the embodiment. Terminal housings 3 and 4 are provided in multiple stages in the first housing 1 and the second housing 2, and the terminal housings 3 and 4 are cantilevered by the housings 1 and 2, respectively. The terminal housing 3 of the first housing 1 is provided with a male terminal 9 locked and housed by the lance 5, and the terminal housing 4 of the second housing 2 is provided with a female terminal 9. Terminals 18 are locked and accommodated by the lances 6, and the respective lances in the respective housings 1 and 2 are accommodated.
In a connector device in which terminal seating detecting pieces 12, 21 are inserted into bending gaps 7, 8 provided in multiple stages in each of the housings 1, 2 corresponding to the first and second housings 1, 2, the first housing On one side, the terminal seating detection piece 12
A sticking prevention piece 14 is formed integrally with the male terminal 9 and protrudes from the connection side end face 1A of the first housing 1 with a length in which the tip is located earlier than the male terminal 9; The multi-stage terminal seating detection pieces 12 with the prying prevention pieces 14 are integrated with a rib 13 to constitute a male lance support 15, and the second housing 2 side is opened at its connection side end face 2A. A prying prevention piece insertion groove 26 for inserting the prying prevention piece 14 is provided. The multi-stage terminal seating detection pieces 21 on the second housing 2 side are integrated with a rib 22 and a frame 23 to form a female. A side lance support 24 is formed, and the female side lance support 24 has
14. A prying prevention piece passage gap 27 is provided corresponding to. (Operation) In such a connector device, at the time of mutual connection, the prying prevention piece 14 protruding ahead of the male terminal 9 on the first housing 1 side firstly forms the prying prevention piece of the second housing 2. After entering the insertion groove 26, the male terminal 9 and the female terminal 18 are connected by the guide action, and the twisting of the terminals 9, 18 is prevented. Also, the multi-stage terminal seating detection pieces 12 with the twist prevention pieces 14 on the first housing 1 side are integrated with the ribs 13 to form a male lance support 15, and the multi-stage terminal lance support 15 is formed on the second housing 2 side. The terminal seating detecting piece 21 is integrated with the rib 22 and the frame body 23 to form the male lance support 24. According to the male lance support 15 and the female lance support 24, multi-stage terminal seating detection is performed. The pieces 12 and 21 can be collectively inserted into the corresponding bending gaps 7 and 8, respectively, so that the work efficiency of inserting the terminal seating detection pieces 12 and 21 becomes very good. In addition, when the male lance support 15 and the female lance support 24 are used, it is possible to collectively determine whether the terminals 9 and 12 are in the locked state, and the workability of determining whether the terminals are locked is good. The female lance support 24 has a torsion prevention piece insertion groove.
Since the torsion preventing piece passage gap portion 27 is provided for the torsion preventing piece 14, the torsion preventing piece 14 can be passed without any trouble. (Example) Hereinafter, an example of the present invention will be described in detail with reference to FIG. 1 to FIG. As shown in the figure, the connector of this embodiment
It has a first housing 1 and a second housing 2 to be interconnected. In the first and second housings 1 and 2, the same number of terminal receiving chambers 3 and 4 are formed in multiple stages. Lances 5 and 6 are protrudingly provided in the terminal receiving chambers 3 and 4 with cantilever support. Each of the terminal receiving chambers 3 and 4 is provided with a plurality of bending gaps 7 and 8 for bending the lances 5 and 6, respectively, in multiple stages corresponding to the lances 5 and 6 respectively. A male terminal 9 is inserted into each terminal accommodating chamber 3 in the first housing 1, and a projection 5 </ b> A of the lance 5 is
Each male terminal 9 is locked in each terminal accommodating chamber 3 by being engaged with a window (not shown). The distal end of each male terminal 9 protrudes from the connection side end surface 1A of the first housing 1. The tip of a lead wire 10 is crimped to each male terminal 9. A rubber seal cylinder 11 is fitted to the end of each lead wire 10 and is crimped and fixed to the male terminal 9 together with the lead wire 10 so that the inlet of the terminal accommodating chamber 3 is sealed watertight. Has become. A terminal seating detection piece 12 is inserted into each of the flexure gaps 7. Each terminal seating detection piece 12 is assembled in a cross-girder shape using a vertical rib 13 and integrated. A plurality of twist prevention pieces 14 are provided integrally with the terminal seating detection pieces 12, and the twist prevention pieces 14 project in the opposite direction to the terminal seating detection pieces 12 in the same direction as the male terminals 9. In this case, the prying prevention pieces 14 are provided in a staggered manner and with a length protruding beyond the tip of the male terminal 9. Multi-stage terminal seating detection piece with these anti-prying pieces 14
The male side lance support 15 is formed by integrating the 12 with the vertical rib 13. A guide cylindrical portion 16 is integrally formed on the outer periphery of the first housing 1 on the connection side end surface 1A side so as to surround the male terminal 9 and the twist prevention piece 14 collectively. This guide tube
A connection projection 17 is projected from a part of the outer periphery of the projection 16. A female terminal 18 is inserted into each terminal accommodating chamber 4 of the second housing 2, and a projection 6A of the lance 6 is engaged with a window (not shown) of the female terminal 18, so that each female terminal 18 is connected to each terminal accommodating chamber. 4
It is locked to. Lead wire 19 for each female terminal 18
Are connected by crimping. A rubber seal cylinder 20 is fitted to the end of each lead wire 19 and is crimped and fixed to the female terminal 18 together with the lead wire 10 so as to seal the entrance of the terminal accommodating chamber 4 in a watertight manner. It has become. The terminal seating detection pieces 21 are inserted into the multi-stage flexure gaps 8, respectively. These multi-stage terminal seating detecting pieces 21 have vertical ribs.
A female lance support 24 is formed by integrating the frame 22 and the frame 23. The connection side end face 2A of the second housing 2 has a groove 25 for fitting the female lance support 24 therein.
And a torsion preventing piece insertion groove 26 for fitting the torsion preventing piece 14 of the male side lance support 15. The female-side lance support 24 is formed with a kink-preventing-piece passing gap 27 corresponding to the kink-preventing-piece insertion groove 26. Second
In the outer periphery of the housing 2 on the connection side end face 2A side, an insertion gap 28
A guide cylinder 29 is provided at the rising portion 29A in a cantilevered manner through the guide tube 29. In this guide cylinder 29, the second housing 2
A seal ring 30 made of rubber is fitted to the outer periphery of the seal member adjacent to the rising portion 29A. A part of the guide cylinder 29 is cut out, and a vertically long loop-shaped lock piece 31 is provided so as to be swingable around the rising portion 29A by using the rising portion 29A. The connection projection 17 can be locked. When connecting the two housings 1 and 2 of such a connector device, since the prying prevention piece 14 protrudes before the male terminal 9, the prying prevention piece 14 prevents the prying of the second housing 2 first. The male terminal 9 is inserted into the female terminal 18 by the guiding action of the two into the one-side insertion groove 26, so that twisting at the time of coupling the two terminals 9, 18 can be prevented. At this time, the guide cylinder 16 of the first housing 1 enters the insertion gap 28 inside the guide cylinder 29 of the second housing 2 and is pressed against the seal ring 30 to seal at the joint between the two housings 1 and 2. Is made. In particular, as in the present embodiment, the multistage terminal seating detecting pieces 12, 21
When the male lance support 15 and the female lance support 24 are configured as a single unit,
1 can be inserted all at once and terminals 9, 12
The determination of the quality of the locked state can be performed collectively, and the workability is good. (Effects of the Invention) As described above, in the connector device of the present invention, since the prying prevention piece is provided on the first housing side with a length protruding earlier than the male terminal, the prying prevention piece is provided first in the second housing. Then, the male terminal and the female terminal are joined by utilizing the guide action thereof into the insertion groove of the twist preventing piece of the housing, and the twisting of the terminal at the time of the joining can be prevented. Also, a multi-stage terminal seating detection piece with a twist prevention piece on the first housing side is integrated with a rib to constitute a male lance support, and the multi-stage terminal seating detection piece on the second housing side is formed with a rib and a frame. The male lance support and the male lance support are integrated with the body. According to these male lance supports and female lance supports, multi-stage terminal seating detecting pieces can be inserted into the corresponding flexure gaps at once. Can,
For this reason, there is an advantage that the work efficiency of inserting the terminal seating detecting piece is significantly improved. And also these male lance support,
When the female lance support is used, the quality of the terminal locking state can be determined collectively, and there is an advantage that the workability of the quality determination of the terminal locking state is good. In addition, since the female lance support is provided with a kink preventing piece passing gap corresponding to the kink preventing piece insertion groove, the kink preventing piece can be passed without any trouble.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view of a connector device according to an embodiment of the present invention before coupling, and FIG. 2 is a partially cutaway perspective view of the connector device of the present embodiment in an exploded state. FIG. 3 is a perspective view showing an example of the male lance support. 1,2 ... first and second housings, 3,4 ... terminal accommodation room, 5,5
6 ... Lance, 7,8 ... Deflection gap, 9 ... Male terminal, 12
… Terminal seating detection piece, 13… Vertical rib, 14… Priming prevention piece, 15… Male lance support, 18… Female terminal, 21…
Terminal seating detection piece, 22 Vertical rib, 23 Frame, 24 Female lance support, 26 Prying prevention piece insertion groove, 27
A gap portion where the prying prevention piece passes.

Claims (1)

(57) [Claims] In the first housing (1) and the second housing (2) to be connected, terminal housings (3, 4) are provided in multiple stages, respectively, and the terminal housings (3, 4) are provided in the respective housings (3, 4). Lances (5, 6) are provided in a cantilever manner on the (1, 2), respectively. ), And the female terminal (18) is locked and stored in the terminal receiving chamber (4) of the second housing (2) by the lance (6). In each of the housings (1,2), corresponding to the lances (5,6) in the (1,2), the flexure gaps (7,8) provided in multiple stages are provided with the terminal seating detecting pieces (12, 21), wherein the first housing (1) is formed integrally with the terminal seating detecting piece (12) on the first housing (1) side. And the male terminal (9) and the pin (14) projecting outward from the connection side end surface (1A) of the first housing (1) by a length whose tip is located earlier than the male terminal (9). The multi-stage terminal seating detection pieces (12) with the twist prevention pieces (14) are integrated with a rib (13) to constitute a male lance support (15). On the housing (2) side, the connection side end face (2
A) is provided with an insertion groove (26) for inserting the prying prevention piece (14) by opening the prying prevention piece (14), and the multi-stage terminal seating detection pieces (21) on the second housing (2) side are The female lance support (24) is formed integrally with the rib (22) and the frame body (23), and the female lance support (24) corresponds to the pry prevention piece insertion groove (26). A connector device, comprising a kink-preventing piece passage gap (27).